ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
G01F0001200000 by detection of dynamic effects of the fluid flow 1
G01F0001220000 by variable-area meters 1
G01F0001240000 with magnetic or electric coupling to the indicating device 1
G01F0001260000 of the valve type 1
G01F0001280000 by drag-force, e.g. vane type or impact flowmeter 1
G01F0001300000 for fluent solid material 1
G01F0001320000 by swirl flowmeter, e.g. using Karman vortices 1
G01F0001340000 by measuring pressure or differential pressure 1
G01F0001360000 the pressure or differential pressure being created by the use of flow constriction 1
G01F0001370000 the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes 1
G01F0001380000 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule 1
G01F0001400000 Details of construction of the flow constriction devices 1
G01F0001420000 Orifices or nozzles 1
G01F0001440000 Venturi tubes 1
G01F0001460000 Pitot tubes 1